<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="学年" prop="academicYearSemester">
        <el-input
          v-model="queryParams.academicYearSemester"
          placeholder="请输入学年"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="通知单号" prop="noticeNumber">
        <el-input
          v-model="queryParams.noticeNumber"
          placeholder="请输入通知单号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程名称" prop="courseName">
        <el-input
          v-model="queryParams.courseName"
          placeholder="请输入课程名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="分组号" prop="courseGroup">
        <el-input
          v-model="queryParams.courseGroup"
          placeholder="请输入分组号"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课堂名称" prop="className">
        <el-input
          v-model="queryParams.className"
          placeholder="请输入课堂名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学分" prop="credit">
        <el-input
          v-model="queryParams.credit"
          placeholder="请输入学分"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程类别" prop="courseCategory">
        <el-input
          v-model="queryParams.courseCategory"
          placeholder="请输入课程类别"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="选课方式" prop="enrollmentMethod">
        <el-input
          v-model="queryParams.enrollmentMethod"
          placeholder="请输入选课方式"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="授课老师" prop="teacher">
        <el-input
          v-model="queryParams.teacher"
          placeholder="请输入授课老师"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="时间地点" prop="scheduleInfo">
        <el-input
          v-model="queryParams.scheduleInfo"
          placeholder="请输入时间地点"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:course:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:course:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:course:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:course:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="courseList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="学年" align="center" prop="academicYearSemester" />
      <el-table-column label="通知单号" align="center" prop="noticeNumber" />
      <el-table-column label="课程名称" align="center" prop="courseName" />
      <el-table-column label="课程编号" align="center" prop="courseId" />
      <el-table-column label="分组号" align="center" prop="courseGroup" />
      <el-table-column label="课堂名称" align="center" prop="className" />
      <el-table-column label="学分" align="center" prop="credit" />
      <el-table-column label="课程性质" align="center" prop="courseType" />
      <el-table-column label="课程类别" align="center" prop="courseCategory" />
      <el-table-column label="选课方式" align="center" prop="enrollmentMethod" />
      <el-table-column label="授课老师" align="center" prop="teacher" />
      <el-table-column label="时间地点" align="center" prop="scheduleInfo" />
      <el-table-column label="方案类别" align="center" prop="programType" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:course:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:course:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改我的课堂对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学年" prop="academicYearSemester">
          <el-input v-model="form.academicYearSemester" placeholder="请输入学年" />
        </el-form-item>
        <el-form-item label="通知单号" prop="noticeNumber">
          <el-input v-model="form.noticeNumber" placeholder="请输入通知单号" />
        </el-form-item>
        <el-form-item label="课程名称" prop="courseName">
          <el-input v-model="form.courseName" placeholder="请输入课程名称" />
        </el-form-item>
        <el-form-item label="分组号" prop="courseGroup">
          <el-input v-model="form.courseGroup" placeholder="请输入分组号" />
        </el-form-item>
        <el-form-item label="课堂名称" prop="className">
          <el-input v-model="form.className" placeholder="请输入课堂名称" />
        </el-form-item>
        <el-form-item label="学分" prop="credit">
          <el-input v-model="form.credit" placeholder="请输入学分" />
        </el-form-item>
        <el-form-item label="课程类别" prop="courseCategory">
          <el-input v-model="form.courseCategory" placeholder="请输入课程类别" />
        </el-form-item>
        <el-form-item label="选课方式" prop="enrollmentMethod">
          <el-input v-model="form.enrollmentMethod" placeholder="请输入选课方式" />
        </el-form-item>
        <el-form-item label="授课老师" prop="teacher">
          <el-input v-model="form.teacher" placeholder="请输入授课老师" />
        </el-form-item>
        <el-form-item label="时间地点" prop="scheduleInfo">
          <el-input v-model="form.scheduleInfo" placeholder="请输入时间地点" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCourse, getCourse, delCourse, addCourse, updateCourse } from "@/api/system/lesson";

export default {
  name: "Course",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 我的课堂表格数据
      courseList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        academicYearSemester: null,
        noticeNumber: null,
        courseName: null,
        courseGroup: null,
        className: null,
        credit: null,
        courseType: null,
        courseCategory: null,
        enrollmentMethod: null,
        teacher: null,
        scheduleInfo: null,
        programType: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        academicYearSemester: [
          { required: true, message: "学年不能为空", trigger: "blur" }
        ],
        noticeNumber: [
          { required: true, message: "通知单号不能为空", trigger: "blur" }
        ],
        courseName: [
          { required: true, message: "课程名称不能为空", trigger: "blur" }
        ],
        className: [
          { required: true, message: "课堂名称不能为空", trigger: "blur" }
        ],
        credit: [
          { required: true, message: "学分不能为空", trigger: "blur" }
        ],
        courseType: [
          { required: true, message: "课程性质不能为空", trigger: "change" }
        ],
        courseCategory: [
          { required: true, message: "课程类别不能为空", trigger: "blur" }
        ],
        enrollmentMethod: [
          { required: true, message: "选课方式不能为空", trigger: "blur" }
        ],
        teacher: [
          { required: true, message: "授课老师不能为空", trigger: "blur" }
        ],
        scheduleInfo: [
          { required: true, message: "时间地点不能为空", trigger: "blur" }
        ],
        programType: [
          { required: true, message: "方案类别不能为空", trigger: "change" }
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询我的课堂列表 */
    getList() {
      this.loading = true;
      listCourse(this.queryParams).then(response => {
        this.courseList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        academicYearSemester: null,
        noticeNumber: null,
        courseName: null,
        courseId: null,
        courseGroup: null,
        className: null,
        credit: null,
        courseType: null,
        courseCategory: null,
        enrollmentMethod: null,
        teacher: null,
        scheduleInfo: null,
        programType: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.courseId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加我的课堂";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const courseId = row.courseId || this.ids
      getCourse(courseId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改我的课堂";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.courseId != null) {
            updateCourse(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCourse(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const courseIds = row.courseId || this.ids;
      this.$modal.confirm('是否确认删除我的课堂编号为"' + courseIds + '"的数据项？').then(function() {
        return delCourse(courseIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/course/export', {
        ...this.queryParams
      }, `course_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
